Radiator venting options: hood, wheels, under car... |
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Radiator venting options: hood, wheels, under car... |
MichiganMat |
Mar 9 2016, 09:22 AM
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#1
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Member Group: Members Posts: 114 Joined: 14-June 06 From: San Jose, CA Member No.: 6,222 Region Association: Northern California |
Gents,
Im working on putting together my 914-wrx and Im exploring venting options for the front radiator. Im trying to think about it from a performance perspective and Id love some feedback to see if my assumptions are correct. Up and out of the hood: Needs venting of some kind. Either louvres or a big hole, but seems like the most efficient way not only get air through the radiator but also the best solution aerodynamically. True? Wheel-Wells: It looks like a common option is to vent out of the wheel-wells. Cut a huge hole, put some mesh on it, done. This seems bad as its blowing hot air onto the brakes, but maybe the temp difference doesn't matter. Its tempting though because I don't have to cut holes in my brand new hood, but aerodynamically speaking is it not efficient? Pushing air into the front wheel-wells... seems bad, no? Under car: I know this bad for a variety of reasons, so its really not an option Im considering Yeah, so what Im really wondering is, if you were building a track-focused 914, would you vent to the wheels or out of the hood? |
Andyrew |
Mar 9 2016, 10:05 AM
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#2
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Spooling.... Please wait Group: Members Posts: 13,376 Joined: 20-January 03 From: Riverbank, Ca Member No.: 172 Region Association: Northern California |
Track focused? The hood is the best option.
A big hole with a diffuser in front of it to allow for air to create a vacuum to pull the air through the radiator. (Think cowl hood). Shroud it as well and you actually have yourself a makeshift front spoiler as well. It was MUCH easier for me to cool my big v8 when I had the big hole in the hood and a cowl. |
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